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Many countries have paper currency in different sizes for different denominations. Some countries have tactile markings to denote different values of paper currency. In countries where there is no differentiation, some people who are blind, visually impaired or deafblind use a billfold that has sections for different bills and a special purse with separate slots for coins. Others fold bills in different ways depending on their value, and identify coins by feeling the edges and memorizing the sizes. Most people use one method only.
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